[PATCH][3/6]add callback irq in vmx_platform

[Xiaofeng Ling <xiaofeng.ling@intel.com>]

Add a callback irq member in domain->arch.vmx_platform.
This irq is used to inject event to vmx guest.

Signed-off-by: Xiaofeng Ling <xiaofeng.ling@intel.com>
Signed-off-by: Arun Sharma <arun.sharma@intel.com>

diff -r 287d36b46fa3 xen/arch/x86/domain.c
--- a/xen/arch/x86/domain.c	Tue Aug 30 20:36:49 2005
+++ b/xen/arch/x86/domain.c	Fri Sep  2 22:46:13 2005
@@ -266,6 +266,7 @@
      v->arch.perdomain_ptes[FIRST_RESERVED_GDT_PAGE] =
          l1e_from_page(virt_to_page(gdt_table), PAGE_HYPERVISOR);

+    v->domain->arch.vmx_platform.callback_irq = 0;
      v->arch.guest_vtable  = __linear_l2_table;
      v->arch.shadow_vtable = __shadow_linear_l2_table;

diff -r 287d36b46fa3 xen/include/public/xen.h
--- a/xen/include/public/xen.h	Tue Aug 30 20:36:49 2005
+++ b/xen/include/public/xen.h	Fri Sep  2 22:46:13 2005
@@ -59,6 +60,7 @@
  #define __HYPERVISOR_set_segment_base     25 /* x86/64 only */
  #define __HYPERVISOR_mmuext_op            26
  #define __HYPERVISOR_acm_op               27
+#define __HYPERVISOR_virtual_device_op    28	

  /*
   * VIRTUAL INTERRUPTS
@@ -233,6 +235,14 @@
  #define VMASST_TYPE_4gb_segments_notify  1
  #define VMASST_TYPE_writable_pagetables  2
  #define MAX_VMASST_TYPE 2
+
+/*
+ * Commands to HYPERVISOR_virtual_device_op().
+ */
+
+#define SET_CALLBACK_IRQ    1
+#define SET_SHARE_PARAM_MAP 2
+

  #ifndef __ASSEMBLY__

@@ -319,6 +329,7 @@
      u8 evtchn_upcall_pending;
      u8 evtchn_upcall_mask;
      u32 evtchn_pending_sel;
+    u16 callback_mask;
  #ifdef __ARCH_HAS_VCPU_INFO
      arch_vcpu_info_t arch;
  #endif
diff -r 287d36b46fa3 xen/include/asm-x86/vmx_platform.h
--- a/xen/include/asm-x86/vmx_platform.h	Tue Aug 30 20:36:49 2005
+++ b/xen/include/asm-x86/vmx_platform.h	Fri Sep  2 22:46:13 2005
@@ -83,6 +83,8 @@
      struct vmx_virpit_t    vmx_pit;
      struct vmx_handler_t   vmx_handler;
      struct mi_per_cpu_info mpci;            /* MMIO */
+    unsigned int callback_irq;              /* irq for para-driver*/
+
  };